Christie’s has raised its buyer’s premium, increasing the level at which its 25% threshold applies and adding an extra percentage point to its charges above £3m. The new schedule takes effect from February 1.

A recently released new film about the relationship between Elizabeth I and Mary Queen of Scots, one in which certain historical liberties appear to have been taken concerning the generally accepted belief that the two women never actually met, brings a topicality to a letter offered last month in London.

Much of the pre-sale interest in the 19th century paintings offered at the major London rooms centred on two landscapes by Caspar David Friedrich (1774-1840) at Sotheby’s (25/20/12.9% buyer’s premium).